1 /* 2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org> 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * on the rights to use, copy, modify, merge, publish, distribute, sub 8 * license, and/or sell copies of the Software, and to permit persons to whom 9 * the Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 21 * USE OR OTHER DEALINGS IN THE SOFTWARE. 22 */ 23 #ifndef R600_SHADER_H 24 #define R600_SHADER_H 25 26 #include "r600_asm.h" 27 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 /* Valid shader configurations: 34 * 35 * API shaders VS | TCS | TES | GS |pass| PS 36 * are compiled as: | | | |thru| 37 * | | | | | 38 * Only VS & PS: VS | -- | -- | -- | -- | PS 39 * With GS: ES | -- | -- | GS | VS | PS 40 * With Tessel.: LS | HS | VS | -- | -- | PS 41 * With both: LS | HS | ES | GS | VS | PS 42 */ 43 44 struct r600_shader_io { 45 unsigned name; 46 unsigned gpr; 47 unsigned done; 48 int sid; 49 int spi_sid; 50 unsigned interpolate; 51 unsigned ij_index; 52 unsigned interpolate_location; // TGSI_INTERPOLATE_LOC_CENTER, CENTROID, SAMPLE 53 unsigned lds_pos; /* for evergreen */ 54 unsigned back_color_input; 55 unsigned write_mask; 56 int ring_offset; 57 }; 58 59 struct r600_shader_atomic { 60 unsigned start, end; 61 unsigned buffer_id; 62 unsigned hw_idx; 63 unsigned array_id; 64 }; 65 66 struct r600_shader { 67 unsigned processor_type; 68 struct r600_bytecode bc; 69 unsigned ninput; 70 unsigned noutput; 71 unsigned nhwatomic; 72 unsigned nlds; 73 unsigned nsys_inputs; 74 struct r600_shader_io input[64]; 75 struct r600_shader_io output[64]; 76 struct r600_shader_atomic atomics[8]; 77 unsigned nhwatomic_ranges; 78 boolean uses_kill; 79 boolean fs_write_all; 80 boolean two_side; 81 /* Number of color outputs in the TGSI shader, 82 * sometimes it could be higher than nr_cbufs (bug?). 83 * Also with writes_all property on eg+ it will be set to max CB number */ 84 unsigned nr_ps_max_color_exports; 85 /* Real number of ps color exports compiled in the bytecode */ 86 unsigned nr_ps_color_exports; 87 /* bit n is set if the shader writes gl_ClipDistance[n] */ 88 unsigned cc_dist_mask; 89 unsigned clip_dist_write; 90 unsigned cull_dist_write; 91 boolean vs_position_window_space; 92 /* flag is set if the shader writes VS_OUT_MISC_VEC (e.g. for PSIZE) */ 93 boolean vs_out_misc_write; 94 boolean vs_out_point_size; 95 boolean vs_out_layer; 96 boolean vs_out_viewport; 97 boolean vs_out_edgeflag; 98 boolean has_txq_cube_array_z_comp; 99 boolean uses_tex_buffers; 100 boolean gs_prim_id_input; 101 boolean gs_tri_strip_adj_fix; 102 uint8_t ps_conservative_z; 103 104 /* Size in bytes of a data item in the ring(s) (single vertex data). 105 Stages with only one ring items 123 will be set to 0. */ 106 unsigned ring_item_sizes[4]; 107 108 unsigned indirect_files; 109 unsigned max_arrays; 110 unsigned num_arrays; 111 unsigned vs_as_es; 112 unsigned vs_as_ls; 113 unsigned vs_as_gs_a; 114 unsigned tes_as_es; 115 unsigned tcs_prim_mode; 116 unsigned ps_prim_id_input; 117 struct r600_shader_array * arrays; 118 119 boolean uses_doubles; 120 boolean uses_atomics; 121 boolean uses_images; 122 uint8_t atomic_base; 123 uint8_t rat_base; 124 uint8_t image_size_const_offset; 125 }; 126 127 union r600_shader_key { 128 struct { 129 unsigned nr_cbufs:4; 130 unsigned first_atomic_counter:4; 131 unsigned image_size_const_offset:5; 132 unsigned color_two_side:1; 133 unsigned alpha_to_one:1; 134 } ps; 135 struct { 136 unsigned prim_id_out:8; 137 unsigned first_atomic_counter:4; 138 unsigned as_es:1; /* export shader */ 139 unsigned as_ls:1; /* local shader */ 140 unsigned as_gs_a:1; 141 } vs; 142 struct { 143 unsigned first_atomic_counter:4; 144 unsigned as_es:1; 145 } tes; 146 struct { 147 unsigned first_atomic_counter:4; 148 unsigned prim_mode:3; 149 } tcs; 150 struct { 151 unsigned first_atomic_counter:4; 152 unsigned tri_strip_adj_fix:1; 153 } gs; 154 }; 155 156 struct r600_shader_array { 157 unsigned gpr_start; 158 unsigned gpr_count; 159 unsigned comp_mask; 160 }; 161 162 struct r600_pipe_shader { 163 struct r600_pipe_shader_selector *selector; 164 struct r600_pipe_shader *next_variant; 165 /* for GS - corresponding copy shader (installed as VS) */ 166 struct r600_pipe_shader *gs_copy_shader; 167 struct r600_shader shader; 168 struct r600_command_buffer command_buffer; /* register writes */ 169 struct r600_resource *bo; 170 unsigned sprite_coord_enable; 171 unsigned flatshade; 172 unsigned pa_cl_vs_out_cntl; 173 unsigned nr_ps_color_outputs; 174 union r600_shader_key key; 175 unsigned db_shader_control; 176 unsigned ps_depth_export; 177 unsigned enabled_stream_buffers_mask; 178 }; 179 180 /* return the table index 0-5 for TGSI_INTERPOLATE_LINEAR/PERSPECTIVE and 181 TGSI_INTERPOLATE_LOC_CENTER/SAMPLE/COUNT. Other input values return -1. */ 182 int eg_get_interpolator_index(unsigned interpolate, unsigned location); 183 184 int r600_get_lds_unique_index(unsigned semantic_name, unsigned index); 185 186 #ifdef __cplusplus 187 } // extern "C" 188 #endif 189 190 191 #endif 192